UNIVERSAL BEVEL PROTRACTOR 187-901 MITUTOYO
The Mitutoyo 187-901 Universal Bevel Protractor is a high-precision angle gauge designed for accurate angle measurement of machines, molds, and jigs. Key features include a measuring range of 0−90∘ (x4 for a full 360∘), a choice of 150mm or 300mm blade lengths, and a graduated accuracy of 5 minutes of a degree (0.083∘). It can be attached to height gauges for use on a surface plate and often includes a built-in magnifier for easier reading.
Specifications
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- Model: 187-901
- Range: 0−90∘ x4 (total
360∘)
- Graduation: 5 minutes of a degree
- Blade Lengths: 150 mm and 300 mm
- Blade Edge Angle: Features 60°, 45°, and 30° edges
- Mass: 390 g
- Resolution: 0.05∘
Key features
- High Accuracy: Engineered for precise angle measurements, with a high-precision angle gauge and a vernier scale that includes a magnifier for reading to 5 arc minutes.
- Versatility: Can be attached to height gauges and scribing devices for surface plate work.
- Durability: Constructed from hardened stainless steel for durability in demanding applications like machining and toolmaking.
- Fine Adjustment: Includes a fine adjustment mechanism and a lock nut for precise alignment and setting of angles.




